Permutation-lock.



P. PALE.

PERMUTATIO'N LOCK.

APPLICATION FILED APR. 6. I9I4.-

Patented Oct.. 9, 1917.

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P. PALE.

PERMUTATION LOCK.

APPLICATION FILED APR. s, 1914.

Patented 001;. 9,1917.

3 SHEETS-SHEET 2.

-PFPALE PERMUTATIO'N LOCK.

I y APPLICATION FILED APR. 6` I9I4. Y I% Patented 001;. 9,1917.

3 SHEETS-SHEET 3.

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- rAULPAL, ork Los ANGELES, CALIFORNIA rEnMurArroN-Locx.

Specification of Letters Fatent.

rateaeeaoct. e, ier?.

Application filed April 6,1914. Serial No. 829,865.

l To all 'whom it may concern:

' following is a specification.

This invention relatesto locks.

The principal object oi' this invention is to provide a combination lock so constructed that the correct unlocking positions of the combination elements cannot possibly be ascertained by hearing kor feeling alone, but

must be dependent on perfect knowledge of the combination numbers employed.

Another object is to provide locking elements arranged so that they may be locked f in a varietyl of positions, for instance, closed,

open and intermediate positions.

Another object ,is to provide a lock of this type which is adapted to be secured in position on a bicycle or other vehicle, and to remain thereon when not in use, so that it will always be ready for use.

Another object is to provide a lock the removal of which from its support is controlled by the position oit' the locking element of the lock.

Another object is to provide an improved combination lock, the combination of which is determined by the sense of touch.

Other objects will appear from the following description:

Referring to the drawings:

Figure 1 is a viewshowing' the lock applied to the rear upright frame member of a bicycle and locking the rear wheel of the bicycle against rotation. y Fig. 2l is a vertical sectional view taken on line :v2-rc2, Fig. 1. n

Fig. 3 is a view similar to Fig. 2., showing the parts in position ready to unlock the lock. j y

Fig. 4 is a sectional view taken on line :v4-m4, of Fig. 2, showing the parts ofthe lock in locking position.

Fig. 5 is a view similar to FigfA, showing the locking arms unlocked, so that they may be spread apart to free the` wheel.

Fig is a view similar to Fig. A, showing the locking arms unlocked, so that they may be brought together in locking position.

Fig. 7 is a viewV showing how the lock operating cam is maintained out of operation while the locking arms are locked.

Figs. 8, 9 and 1Q are ,views 0f the combina1 tion locking disks shown in their initial unlocking position. Y

Figs. 11, 12 and 13 are views of the locking disks showing the index locking disk as having been turned 27 units to the right (which is the iirst number in the combination of the lock) and one of the other lock ing disks as having been brought into unlocking position.

Figs. 14, 15 and 16 are views of the locking disks showing the index locking disk turned 111 units to the left (which is the next number in theV combination of the lock), and two of the other disks as having been brought into unlocking position. y

Figs. 17, 18 and 19 are views of the locking disks showing the index locking disk as having been turned 1 unit to the right, (which is the last number in the combinationy of the lock), and all of the disks as having been brought into unlocking position.

Figs. 20 and 21 are sectional'views taken on line U12-m12 of Fig. 3, showing the fric-Y tion element of the lock combination disks, and the means for arresting the lock in unlocked position.

Fig. 22 is a view of the index disk and the lug at the periphery thereof, which coacts with the disk. f

Fig. 23 is a view of the index disk and the roller which engages said disk.

Fig. 24: is a fragmentary view illustrating certain parts of the lock in such position as to permit removal of the lock from its support.

The various operating parts of the lock are inclosed within a casing or supporting means 1, which casing as shown in Fig. 1 of thev drawing is placed against the rear frame upright y2V of the bicycle frame.y

Screws 3 and A project from inside the casing 1 and project forwardly of the bicycle between the side members 510i the bicycle rear frame upright Q, and through a block 7 which fits tightly between said side members. The screws 3 and 4. screw into a plate 8 which engages the front faces'oi1 the side members 5 whereby the lock is secured in position on the rear upright of the bicycle frame. The screw 3 is stationary, while the screw 4 is adapted to be turned to be disengaged from the plate 8. The rear wall of the casing 1 is provided with an opening 9 through which a screw driver may be 1nserted under certain. conditions hereinafter described to turn. 'screw A. The plate 8 is disengaged from the screw 3 by unscrewing the plate therefrom. A locking...elementis'v provided and comprises a pair of lockingy lock the vvlieelfagainst turning. Thearms are also provided with lugs v10 and'lll adaptedfto grip the tirefofr the vehicle ivheel when 'the arms arelocked inV locking posi tion,'-vvhich serve as an 'auxiliary locking eleifnent forjthej vehiclevvheel.y When the' arms 10 andv 11 'comprising the locking element are engaged With and holdthe Wheel against rotation the lockingelement .is in' lockingfposition; A toothed segment .`14-is rovided on arm l0 and a tooth= segment 1,5

is provided 'on' varmf 11, .the teeth of which segments mesh With each other sovthat ysaid arms are moved inwardlyand-outwardly in unison With eachother. f Said segments cover the .opening 9A under cei'tain conditions hereinafter' described,y @so that scr'eivj driver cannot be inserted throughl said ihole toA turnthfe screwv to remove the lock from its support.` l There .isfprovided-ineans to `lock the armslOand lli in locking position which consists of locking'paivls 18 and 19. These parvisarey -pivoted upon Vthe casing `|1A land alternatelyengage the teeth of the segments `14-and l5. The'arms are heldagainst being spread apart bypavvls 18 and-V19.` Thereis also provided means to lock thelockfingle'lement,p that its,A arms-10 zandell in unlo'eking position. These means comprisev paivls-2Q and 21Which are-pivoted tothe casing l and respectively engage the teeth- 'ofthe segments 14`and n t .Y

FromtheV foregoing' it-isgclear ythat the arms 10 a-n'dll can be l'ockedinffa variety of positions, in closed, open and numerous intermediate positions, so that the 'element or elements capable- /ofbeingfheld by the arms maybe of varying sizes andjso that said arms may be held against-movement toward anda-Way -rom'oneanother. Y.

The 'paivll'sn20vand 2l are engaged bythe eiidsjof ajfoot 25 vmou-nted-i'ipon pins 28 and 27 which project fromthe casingfthrougha slot 28 insaid foot, and aspring30 which iscoiled about pin 26 pressesagainst the foot to cause the `eot to` hold the paivls 2()v and 21: in `engagement with theY teeth .of Ythe seg,- ments.v Springs 3l restingbetweenthevfoot 25 and the pawls l18 and-19 maintain said pavvls also -in engagement with the teeth. of said .segments. J ournalediinl thef casing 1 Eand projecting outwardlyJ 'therefrom is a stwiidf35, on theouter end of which is aliand `Wheel 36. Ayclam or unlocking member 37 andfcam disk 38 i-Xedto saidcain are loosely mountedupon said stud Within the casing, so that the cam rests between the foot 25 and pawls 18 and 19 and the cam disk rests over VYthe same: The'cam disk is provided With a into andis held in the position 'shov'vn in Fig.4 4 ofthe drawings, free from leng`age-` ment ivith the 'foot 25 and pavvls 18' and 19. Lugs 40 and 41"p'roject from the cam disk 38 andare adapted,whenv the combination of the lock isv established, to be Aprojected throughA slots 42 and 43, 44 and `45, in disks 50v and51 respectively, which 'are loosely mountedv upon said stud, and through slots 46 `and 47 ina friction relement 52 and 'slots 53 and 54 in an index disk55, which disk is secured to the end of the stud.4 The cam disk 38 and lugs 40 and41 and the disk 55 and slots 53 ai`id54 form a clutch' `Which clutches the cam 37 to stud 35 When the 'come bination oit the lock isV established y'and the lugs 40and 41` are projected through slots and 54. The lugs 40 and 41'm`ay be located at ,different distances from. the center of the stud, and the slots 42,' 44, and 53v may be located so as to register only with' lug 40 andthe slots 43, 47, jan'd A 54 may be located so as to register-only ivith liig4l, soth-at'theie ivill be onlyone possible lWay in Which all of the 'slots 'and the lugs may .be brought into registration.' Lngs r56 arev provided yon' the element-52 which are slidably mounted on pins 5"( projecting from the casing l, whereby said element is pfiel ventedfrom turning. t, p Y

A spring 58 rests between .the cam 'disk '38 and .disk Oandf tendst'o force-the disks-50 and 51,;eleinent 52 and disk aivay from theJ cam disk 38. The index diskk is provided at its periphery ivithnotches GO'and a notchlrwhich islivider tha'nnotcl'ies-LGO, which notches are engaged by ivli'e'el 65, slidably mounted" on sha-ft 66 in arinf67 `fulcrumed at. 68 to casingfl.v` Said, WheelV is maintained in contact with the periphery of said disk, and Ain engagement with. said notches `by the action, of spring 70, which spring is connected` atits respective ends to ar1n-67- andfto pin 57l`,' A lug76secu`red to thecasingl is provided with Va projection 7G" Which normally rests under. the disk 55 and prevents ysaid disk Ifrom being -nioved to project the lugs40 and 41. through the sl'ots in any yof thedisks :50, 51,a`nd 55l`i`intil the complete combination of the lock Vis established. The index disk 55 is-also provided at its periphery Witha notch7 5 Which is adapted to registerwith. lug 76 When the lock combination is established and the lug 40 `registers with slots 42, 44, 46, and 53,; and the .lug 41 registers with the slots` 43, 45, 47,

and 54, so that thev disks 50 and 51, element j 52, and disk 55 may be drawn toward disk .36 against thc tension of springV 58 and the `lugs and 41 projected through said to clutch the stud 35 to the cam 37. The edge oit. the index disk 55 is adapted to rest slots against said projection 76 when the disks and 51, element 52 and disk 55 are drawn toward cam disk 38,'the.lug40` projected through the slots 42, 44, 46, and 53, the lug 41 projected through the slots 43, 45, 47, and 54, and the disks turned to prevent the cam from being unclutched from the stud. The disk 50 is provided with a segmental slot 80 into which projects a pin 81 from disk 51. The disk 51 is provided with a segmenz tal slot 82 into which projects a pin` 83 from the indeX disk 55, the disk 52 being provided with an opening 84 to permit pin 83 i to project from the index disk into the slot 82 in disk 51. The slots 46 and 47 in disk 52 aresegmental in form to permit turning oil. the lugs 40 and 41 therein, andare of such length as to limit the turning movement of f, said lugs, cam disk 3S and cam 37, when the .pawls 1,8 and 19 and the pawls 20 andr 21 are disengaged romthe teeth of the segments 14 and 15 by said cam.

lThe operation is as follows: Assume the lock to be unlockedy from the vehicle j.

. wheel with the arms 10 and 11 spread apart l in unlockingposition the arms locked in said pau/ls 20 and 21 with the teeth of segmentsV v14 and 15, withthe disks 50 and 51, element unlocking position, by the enga,f` genienty of i 52, and disk 55 forced away from disk 38 by their initial position or Zero.

spring 5S and the combination of the lock to be lost. To lock the wheel of the vehicle, the

hand wheel 36 of thelock is irst turned toy in index disk 55. This condition of the lock .f mit `the disk 55 Yto turn slightly iny eitheris illustrated in Fig. S of the drawing.`

The person who understands and operates the lock knows when .the roller 65 engages the notch 61 in disk 55, and that he. has established Zero in the lock combination by feeling' with his lingers a slightnfree turning movement of the handle to right or left, which is permitted bythe notch 61inasmuch `as the size of said notch is such as to perdirection without theroller disengaging saidnotch and springing into one ofv the notches 60.v The lock combinationvas dis- 'f teeth of closed in the present embodiment of my iniention when `zero has'been established, is

as follows 27 to right, 14l to left,

1 to right,

but it isto be understood that the combina,- tion may be varied within the scope of the invention.` Each of thc notches in the indei.; disk 55 represents tion and 4as soon as Zero has been established, the operator turns the handle to the right until the roller 65 engages the 27th notch `60 to the left of notch 61. This condition of the combination places the slots 42 and 43V in registration with lugs 4() and 41 respectively, which condition is illustrated in Fig.

13 of the drawing.

The operator is able to count the units in the combination as he turns the handle, by Ifeeling with his iingers, the holding action of the roller 65 upon the disk 5,5 each i time the roller 65 engages a notch 60. It

will thus .be seen that the operator determines the combination of the lock entirely` by the sense of touch. Y

Vhen the handle 36 has been tuined 27 7 5 a unit in the combinaunits to the right, the operator then turns the handle to the left until the roller 65 engages the 14thy notch 60 to the right of said 27th notch. This condition of thecombination places the slots 44 and 45 of disk 51 in registration with lugs 40 and 41 reispectively, which condition is illustrated in Fig. 15 of the drawing; Theloperator then I turns the handle to thel right until the roller 65 engages the first notchr 60 to the left of said 14th notch, which brings thev slots 53 and 54 of disk 55 into registration with lugs Y 40 and 41 and the notch7 5 of said disk into register with projection 7 6 of the lug 76, which condition is illustrated in Fig. 17 of the drawing. The combination of the lock is then established and thehandle v36 is pulled outwardly from the casing 1, drawing ythe disks 50 and 51, element 52, and disk 55 toward the cam disk 38 against the tension of the spring 5S and projecting the lug 40 through slots142, 44, 46, and 53, and lug41 through slots 43, 45 47, and 54 in said disks and elementand projecting the lug .projection 76 through the 4notch 75 in disk 55 until the disk 55 rests under said projection 76. Y The cam 37 is now clutched with the kstud 35 through thevr medium of lugs 40 and 41, slots 53 and 54, and disk 55, and the v handle is then turned to the .left until the cam 37 elet/rates the foot25which in turn disengages the pawls 2O and 21 from the the segments14and 15. As soon asthe pawls 2O and 21 disengage the teeth ot said segments, the turning of the handle and cam 37 `is arrestedrby the engagement lof lugs 40 and 41 withthe-ends of slots 46 `F 2O of 'thedrawingr The'loperator then closes the arms 10 and 11 or turns them on their fulcrums toward-each other, the pawls u 18 and 19 Valternately escaping the teeth of the segments 14 vand 15 to permit .such movement of the arms and 11, until the arms K'arezbrought intoloc'king position and the i' `velxiiclefwheel is' lockedagainst rotation, as 10"illu'strated in 'jfull vlines inV Fig. 1 of the `drawing.; The"=o`perator" then turns the 7handle to the right juntil the `notch 7 5 in.A

, the di'sk `55 isbro-ught back into registration *with'flug'y 76 and releases the handle, where- .#15 Aupon"the 'springy 58' forces the disks 50 and 51, element '52, anddisky 55 away from cam Vdisk' 358" andflthje notch 75' of disk 55 out of *engagement "with: lug 76.1 'The handle is then turned in any way to lose the combina- 20 tion of the'lock andthe'arms 10 and 11 vof Y ytheflbck are locked in lockingv position and "the wheel' of rthe Y Y vehicle securely' locked i againstirotation. f

To unlock the-l'ock Aand the rwheel of the 1 'u' 25 vehicle', theha'ndle '36 is `first turned until Zero'and `the numbers of `the combination are established in orden The' disks 50 and y51, ele1nent'52, 'and disk 55 are drawn toward :camdisk Y3S until'the disk 55'rests under W lu'g'projet'cjtionG.' ThelhandleG is then i" turned "to the Aright until Athecain 37' disengages-the 'pawlsv 1'8`an`d 19 from'theVv teeth i of the segments" 14 and 15. The cam is ar ,rested in thisy position and the pawls 18 'and "-unlocking memberk adapted to unlock 'the locking'means, a ylug coperating with the ur'i'locking` member, a disk provided with a. "slotthrough-which said -lug is adapted 'to f to arrest `the movementY of` said lug and *said unlocking member when said unlocking member has unlockedsaid locking means "from said locking element. 4

InY a lock correspondingly movable locking arms, being free from connection with' one another, and means to lock said 4arms in a"pl'urality of 'positions between their extent of movement in either direction. l 4. In a combinationlock, la locking element, 'locking means for said locking element, and an unlocking member' for unlockingsaid locking means, a clutch connecting element' on'said unlocking member, a `second 'clutch connecting element comprising a pair voiidisks,V one of saiddisks being provided with slot,- a pin on the other disk proj ect- *ing into said slot, jmeans 'for turning one of the disks so that the pin will engage the end ofithe slot in the other disk, and for bringing said disks into connection with the lconnectingelement and for actuating said "disks, clutch elements and unlocking member to unlock said locking means.

5. In a combination lock,.a locking ele- 'ment, means for locking saidlocking elevment, an unlocking member, a' clutch 'connecting element on said -unlocking member, a second clutch 'connecting element, and

project, the end of said slot being adapted.

' means to= bring the second named clutch ele- A ment into connection with 'thevclutch element on said unlocking member f whereby the clutch members will' cooperate andV said unlocking member is actuated. i

6; In a lock, a locking element, means for flocking said element, an unlocking member,

if 3519 out yof engagement withv the teeth of the v#segme nts 14 and l5 byf the engagement of *the flugs40 and 41 with 'the ends of slotsv 46 and 47`in disk 52, as illustrated in Fig. 1 21l ofthe drawing. "The armsjlO and 11 are ff40"theirturnedlaway 'from each other on' their ,'fiilcrlinis, ,the pawlsQO and 21feseaping the movement ofthearms until they unlock the Vvehicle" wheel. The arms 10 and 1l may be 45 lockedy when spread apart in 'unlocking positipn turningfthe handle 36 tothe leftl vvuntil the cam37 disengages thepawls 18 vr;teethowhich mesh witheach other, a dog engaging the teeth of each of saidsegments to lock said'arms,1a foot 'engaging said dogs,

60*means for engaging'said foot to disengageY "said dogs from "s'aidf teeth" to release said j airmfs`r and-means for actuating said"foot-en' gaging' "means:

2. AIn a flock,V afi-locking element, locking 65'k means vfor lockingsaid locking element, an

Aa disk rotated by said unlocking member, said disk being providedV with anotch, a-lug on the' lock casing adapted' to rest under the edge of the disk when Vsaid disk is unclutched from said unlocking member to prevent clutching of said disk with said unlocking member, .and means for rotating said disk to` bringV the vnotchfinto register with the lug to permit clutching of said disk with said'unlocking'member, said disk adapted `to ybe turned while clutched by said rotating means to cause Vsaid unlocking member to .unlock `said 'unlocking means.

'7.In a lock a locking-element, locking` means therefor, an unlocking member, a clutch member on said `unlocking member, a second clutch member comprising rotatable disks and a non-rotatable disk between said rotatable disks, one of said rotatable disks `having aslot therein, .said non-rotatable disk having la .slot therein communicating with theV slot in said rotatable disk, a pin on the other'rotatable `disk extending into the slots 1in said rotatable andy non-rotatable disks,

the slot in said non-rotatable disk being longer than the slot in the rotatable disk, and means for rotating one of said rotatable disks to cause said second clutch to eopera-te With the first Clutch and aetuate the unlocking member.

8. In a lock, a locking element, an unlocking member, a clutch carried by said unlocking member, a` second clutch consisting of rotatable disks, a non-rotatabler disk arranged between said rotatable disks, and means to rotate said rotatable disks to cause the second clutch to cooperate with the iirst clutch and the unlocking member to actu-ate.

Gopies of this patent may beV obtained for five cents each, by addressing the Commissioner of Patents,

9. In a lock, a supporting means correspondingly movable looking arms pivoted independently of one another upon the supporting means at certain ends and being free from connection With one another at their other ends, and means to lock said arms in a plurality of positions between their extent of movement in either direction.

In testimony whereof, I have hereunto set my hand at Los Angeles, California, this 30th day of March 1914.

PAUL PALE.

In presence yof- ALAN FRANKLIN, LORRAINE E. DURROW.

Washington, D. C. 

